package org.app4j.passport.service.exception;

/**
 * 
 * @author David 2012-10-7
 *
 */
public class DuplicateUserNameException extends RuntimeException {
  private static final long serialVersionUID = 1L;

  public DuplicateUserNameException() {}

  public DuplicateUserNameException(String message) {
    super(message);
  }

}
